S
M
T
W
T
F
S
30
82°
54°
31
79°
62°
1
73°
63°
2
74°
62°
3
82°
64°
4
84°
62°
5
80°
60°
6
73°
52°
7
81°
56°
8
83°
62°
9
81°
71°
10
84°
59°
11
78°
52°
12
77°
59°
13
80°
60°
14
77°
57°
15
77°
58°
16
79°
57°
17
77°
55°
18
74°
54°
19
76°
56°
20
76°
55°
21
74°
57°
22
68°
57°
23
68°
56°
24
69°
56°
25
70°
53°
26
71°
54°
27
68°
50°
28
68°
54°
29
73°
55°
30
74°
55°
1
73°
54°
2
72°
55°
3
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Durham
Durham's September 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 50° and 71°. The average high for September is 75° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Durham. See also: October | November | December.